172404230 has 32 divisors (see below), whose sum is σ = 317797344. Its totient is φ = 67315456.

The previous prime is 172404229. The next prime is 172404241. The reversal of 172404230 is 32404271.

It is a junction number, because it is equal to n+sod(n) for n = 172404196 and 172404205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119594 + ... + 121026.

It is an arithmetic number, because the mean of its divisors is an integer number (9931167).

Almost surely, 2^172404230 is an apocalyptic number.

172404230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172404230 is a deficient number, since it is larger than the sum of its proper divisors (145393114).

172404230 is a wasteful number, since it uses less digits than its factorization.

172404230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 172404230 is about 13130.2791287924. The cubic root of 172404230 is about 556.5651031238.

The spelling of 172404230 in words is "one hundred seventy-two million, four hundred four thousand, two hundred thirty".